package com.atguigu.gulimall.member.exception;

/**
 * @author lk
 * @version 1.0.0
 * @Description UsernameExistException
 * @createTime 2024/1/30 14:16
 */
public class UsernameExistException extends RuntimeException{
    public UsernameExistException(){
        super("用户名存在!");
    }
}
